Filter housing



FIG. 1 is a perspective view of a filter housing showing our new design, the filter housing being connected to hoses which are shown in phantom for illustrated purposes only; and forms no part of the claimed design;

FIG. 2 is a front elevational view thereof, the rear elevational view thereof being identical;

FIG. 3 is side elevational view thereof, the opposite side thereof being identical;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a filter housing, as shown and described. 